Home / 1,693,514.85-2,338,990.07-1,115,322.58

Finding the Fourth Proportional to 1,693,514.85, 2,338,990.07 and 1,115,322.58

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Solution

The fourth proportional to 1,693,514.85, 2,338,990.07 and 1,115,322.58 is: 1,540,422.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,514.85 : 2,338,990.07 = 1,115,322.58 : x
  2. Step 2: Convert to fraction form
    1,693,514.85/2,338,990.07 = 1,115,322.58/x
  3. Step 3: Cross multiply
    1,693,514.85x = 2,338,990.07 × 1,115,322.58
  4. Step 4: Simplify right side
    1,693,514.85x = 2,608,728,439,466.78
  5. Step 5: Solve for x
    x = 2,608,728,439,466.78/1,693,514.85
  6. Step 6: Final answer
    x = 1,540,422.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.